Eggshell Waste-Derived Carbon Composite with Calcium Bismuth Oxide for Energy Storage Application

Ramachandran John Wesley, Subramanian Sowmya, Arulappan Durairaj, Romiyo Justinabraham, Vijendran Vijaikanth, Samuel Vasanthkumar

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Waste biomass-derived carbon materials are an attractive eco-friendly material. Biomass-derived carbon materials have received increasing attention due to the demand for renewable energy. In this work, abundantly available waste eggshell membrane was converted into carbon material and activated by KOH. The eggshell membrane-derived activated carbon (EgC) was mixed with calcium bismuth oxide (CBO) to form a composite material (EgC/CBO). Various characterization techniques were used to confirm the synthesized materials, including x-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy, and Raman spectroscopy. The electrochemical properties of the synthesized materials EgC, CBO, and (EgC/CBO) were investigated by cyclic voltammetry (CV), galvanostatic charge-discharge (GCD), and electrochemical impedance spectroscopy (EIS). The EgC/CBO electrode material exhibited a good specific capacitance value of 222F/g at 1 A/g. The composite material also exhibited a long cyclic stability, up to 5000 cycles at 5 A/g. The present study clearly confirms that the EgC/CBO material can be employed as a potential electrode material for electrochemical supercapacitor energy storage applications. Graphical Abstract: [Figure not available: see fulltext.].

Original languageEnglish
Pages (from-to)6503-6513
Number of pages11
JournalJournal of Electronic Materials
Volume52
Issue number10
DOIs
StatePublished - Oct 2023

Bibliographical note

Publisher Copyright:
© 2023, The Minerals, Metals & Materials Society.

Funding

The authors thank the management and administration of Karunya Institute of Technology and Sciences for their support and help. The authors are grateful to Department of Science and Technology (DST/TDT/WM/2019/73G), Govt. of India for their financial support.

FundersFunder number
Karunya Institute of Technology and Sciences
Department of Science and Technology, Ministry of Science and Technology, IndiaDST/TDT/WM/2019/73G

    Keywords

    • Eggshell waste
    • biochar
    • calcium bismuth oxide
    • composite
    • supercapacitor

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